Fingerprint detection apparatus and electronic device

A fingerprint detection apparatus, wherein the fingerprint detection apparatus is applied under a display screen to achieve under-screen optical fingerprint detection, the fingerprint detection apparatus comprises a plurality of fingerprint detecting units distributed in an array or arranged in a staggered manner, and each of the plurality of fingerprint detecting units comprises:

• a plurality of optical sensing pixels;
• at least one micro lens disposed above the plurality of optical sensing pixels;
• and
• at least one light shielding layer disposed between the at least one micro lens and the plurality of optical sensing pixels, each of the at least one light shielding layer being provided with an opening corresponding to the plurality of optical sensing pixels;
• wherein the plurality of optical sensing pixels are divided into a plurality of optical sensing pixel groups, the plurality of optical sensing pixel groups are respectively configured to receive oblique light signals in multiple directions, which are reflected from a finger above the display screen and transmitted through an opening provided in the at least one light shielding layer after being converged by the at least one micro lens, and the oblique light signals are used to detect fingerprint information of the finger;
• and
• wherein the at least one micro lens is a rectangular array of 2×2 micro lenses, the plurality of optical sensing pixels are a rectangular array of 3×3 optical sensing pixels, and one micro lens is disposed right above every four adjacent optical sensing pixels in the rectangular array of 3×3 optical sensing pixels, each micro lens in the rectangular array of 2×2 micro lenses converges received oblique light signals to an optical sensing pixel in optical sensing pixels at four corners of the rectangular array of 3×3 optical sensing pixels that is closest to a same micro lens.

An electronic device, comprising:

• a display screen;
• and
• a fingerprint detection apparatus, wherein the fingerprint detection apparatus is applied under the display screen to achieve under-screen optical fingerprint detection, the fingerprint detection apparatus comprises a plurality of fingerprint detecting units distributed in an array or arranged in a staggered manner, and each of the plurality of fingerprint detecting units comprises:
• a plurality of optical sensing pixels;
• at least one micro lens disposed above the plurality of optical sensing pixels;
• and
• at least one light shielding layer disposed between the at least one micro lens and the plurality of optical sensing pixels, each of the at least one light shielding layer being provided with an opening corresponding to the plurality of optical sensing pixels;
• wherein the plurality of optical sensing pixels are divided into a plurality of optical sensing pixel groups, the plurality of optical sensing pixel groups are respectively configured to receive oblique light signals in multiple directions, which are reflected from a finger above the display screen and transmitted through an opening provided in the at least one light shielding layer after being converged by the at least one micro lens, and the oblique light signals are used to detect fingerprint information of the finger;
• and
• wherein the at least one micro lens is one micro lens, and the plurality of optical sensing pixels are a rectangular array of 2×2 optical sensing pixels, where the one micro lens is disposed right above the rectangular array of 2×2 optical sensing pixels.